I just did the same thing, and ran in to the same issue. I ended up getting bigger top brackets and then relocated the prop rod clip to the new bracket but due to the location of the rad cap I cant clip it in. I ended up just laying the hood prop rod on the upper shroud. Its not ideal but it doesnt move around and isnt in the way of anything. BTW I am really happy with my Mishimoto, only prob for me was the overflow tank tube was touching one of the intake hoses so I tried to ease it over about 1MM and put a small hairline crack in it. No biggie since the rad cap seals it off anyway but it was one of those "DOH" moments